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• Javascript function returning number with two decimals...?

  - by muzzledBYbrass

  I have a function to return points along a line and my return comes back with two decimal points...? For example, a return of my variable px will be something like -88.4029.032940598. vx is the x vector and mult is the distance of the line plus distance to calculate the point. Here is the operation that is returning these values: var mult = parseFloat(mag + theUnit); var px = coord_one.x_point + (vx * mult); console.log(px); Never have seen this before- I appreciate any and all help!

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• How can I profile a subroutine without using modules?

  - by Zaid

  I'm tempted to relabel this question 'Look at this brick. What type of house does it belong to?' Here's the situation: I've effectively been asked to profile some subroutines having access to neither profilers (even Devel::DProf) nor Time::HiRes. The purpose of this exercise is to 'locate' bottlenecks. At the moment, I'm sprinkling print statements at the beginning and end of each sub that log entries and exits to file, along with the result of the time function. Not ideal, but it's the best I can go by given the circumstances. At the very least it'll allow me to see how many times each sub is called. The code is running under Unix. The closest thing I see to my need is perlfaq8, but that doesn't seem to help (I don't know how to make a syscall, and am wondering if it'll affect the code timing unpredictably). Not your typical everyday SO question...

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• Neo4j+Gremlin : Trouble with T.gte and floating point node attributes

  - by letronje

  For a type of nodes in my graph, attribute values for an attribute(named 'some_count') is either missing or an integer or a float. I'm trying to write gremlin to filter these nodes based on minimum value for this attribute. I first verified that the values are indeed present by firing the following gremlin g.v(XXX)._().in('category').hasNot('some_count', T.eq, null).back(1).some_count Next, I tried filtering by exact value and that works and show me the matching nodes or gives an empty array if there is no match g.v(XXX)._().in('category').hasNot('some_count', T.eq, null).back(1).has('some_count', T.eq, 120000.0d) But the following query that uses the 'greater than or equal to' comparator doesn't work. g.v(XXX)._().in('category').hasNot('some_count', T.eq, null).back(1).has('some_count', T.gte, 1.0d) this returns nil (I'm querying via ruby/rails using Neo4j AR Adapter ) Instead of returning an empty array for no match, it returns a nil, which tells me something could be wrong with the query itself. I'm running neo4j community server 1.8. Is there a way I can ask Neo4j to log errors/queries, to see what could be going wrong ?

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• Why would Django fcgi just die? How can I find out?

  - by Joe

  I'm running Django on Linux using fcgi and Lighttpd. Every now and again (about once a day) the server just dies. I'm using the latest stable release of Django, Python and Lighttpd. The only thing I can think of is that my program is opening a lot of files and executing a lot of external processes, but I'm fairly sure that side of things is watertight. Looking at the error and access logs, there's nothing exceptional happening (i.e. load isn't above normal). On those occasions where I have had exceptions from Python, these have shown up in the error.log, but when this crash happens I get nothing. Is there any way of finding out why the process died? Short of putting logging statements on every single line? Obviously I can't reproduce this so I don't know exactly where to look.

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• Is there a definitive list of differences between the Ruby on Rails versions?

  - by jedijim

  Is there a list of the differences between the various versions of Rails somewhere on the web? I'm working through an older book about Rails that uses Rails 1.2. I know there are other ways to learn Rails these days, but I thought it would be interesting to try and convert all of the exercises in the book to a more modern versions of Rails (I'm currently working with 2.3.5). A comprehensive list of differences between the various releases would be very helpful. Note that I don't consider the git log a good source of information, as commit messages almost never tell the full story.

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• How do I send the ckeditor config using jQuery service?

  - by syn4k

  My service is built and it is sending the config variable to my js file: [['SpellChecker','-','Undo','Redo','-','Bold','Italic','Underline','NumberedList','BulletedList']] The above is assigned to my javascript like so: var config = "<?= stripslashes($_REQUEST['config']) ?>"; I can alert out the config just fine: console.log(config) does send back the correct data... However, I get an error thrown in my console!: v is undefined [Break On This Error] var u=n.toolbox.toolbars,v=n.config.to...aximize','ShowBlocks','-','About']]; If I comment out the config: //CKEDITOR.config.toolbar = config; everything works fine but the configuration doesn't exist, of course...

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• What's the most auditable way to organize database maintenance scripting/scheduling?

  - by RenderIn

  I'm using PHP, Oracle and crontab. Crontab is invoking a php script, which is going to synchronize some data between a local and remote database. First I thought about putting this all in one large, anonymous inline PL/SQL block and executing it in PHP. The problem is that without creating a table to audit the procedure it's really opaque to my PHP code until it returns. And then when it does return, the best I can do is receive a string in an out parameter which I've concatenated together as an audit log. Then I considered breaking it up into several SQL statements and have PHP do some intermediate auditing/logging and manipulation of the data between each of them. I'm not really satisfied with either of these. How do you organize maintenance code that is called in a cronjob?

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• Data 'logger' turning off when phone goes to standbymode

  - by Marko Järvenpää

  I'm creating a datalogger which logs the gps data and the sensor data of the phone. I've just a strange problem. If the phone is not touched for few minutes it goes into standby mode (screen goes black), and that causes the logger to stop working. Actually the firewriting in the logger stops working. The GPS resumes fine after coming out of blackscreen, but when I check the log I created it only shows saved points for few minutes. Does anyone have idea what is causing this?

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• problme with javascript map/object

  - by akshay

  I am using javascript map to store keys and values.Later on I check if specified key is present in map or not, but it sometimes gives correct result but sometimes it dont.I tried to print the map using console.log(mapname), it shows all keys, but i i try to check if some specified key is presnt sometimes it gives wrong answer. Am using following code: //following code is called n times in loop with different/same vales of x myMap : new Object(); var key = x ; //populated dynamically actually myMap[key] ="dummyval"; if(myIdMap[document.getElementById("abc").value.trim()]!=null) alert('present' ); else alert('not present'); What can be the possible problem?

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• Windows batch file: Pipe destroys my return code

  - by murxx

  Hi, is it possible to return the errorlevel also if I pipe the output of a script into a logfile: test1.bat: call test2.bat 2>&1 | tee log.txt echo ERRORLEVEL: %ERRORLEVEL% test2.bat: exit /B 1 Output when calling test1.bat: ERRORLEVEL: 0 The errorlevel is always 0. The problem is, I want to call another script inside my script where the output should be redirected synchronously with the output shown in the command line, therefore a simple is not enough for me. I tried several ideas, but result is that the pipe always seems to destroy the given error-level... :( Can you give me any further suggestions? Thanks in advance... :)

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• cron stops running when processing multiple items

  - by James

  Cron stops running (no visible error) after a few hours when I add more than 5 jobs in my cron tab. Each job runs every minute (polls a webpage for information which takes 1 second). I tried putting all of my php jobs in a shell script and called this shell script instead but the same problem occurs. Cron stops running, no error in the log file, no error email sent out either. Anyone encountered this before? Where/how canI debug this?

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• need a code snippet to find all *.html under a folder in nodejs

  - by Nicolas S.Xu

  I'd like to find all *.html files in src folder and all its sub folders using nodejs. What is the best way to do it? var folder = '/project1/src'; var extension = 'html'; var cb = function(err, results) { // results is an array of the files with path relative to the folder console.log(results); } // This function is what I am looking for. It has to recursively traverse all sub folders. findFiles(folder, extension, cb); I think a lot developers should have great and tested solution and it is better to use it than writing one myself.

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• Spreatsheet:WriteExcel create Chart

  - by yaohung

  Hi, I used csv2xls.pl to convert a text log into .xls file, and then apply create chart function as following: my $chart3 = $workbook-add_chart( type = 'line' , embedded = 1); Configure the series. $chart3-add_series( categories = '=Sheet1!$B$2:$B$64', values = '=Sheet1!$C$2:$C$64', name = 'Test data series 1', ); Add some labels. $chart3-set_title( name = 'Bridge Rate Analysis' ); $chart3-set_x_axis( name = 'Packet Size ' ); $chart3-set_y_axis( name = 'BVI Rate' ); Insert the chart into the main worksheet. $worksheet-insert_chart( 'G2', $chart3 ); ========== I can see the chart in .xls file, however, all the data is in text format, not number, therefore, the chart looks wrong. I am wondering can you tell me how to convert text into number before apply this create chart function? One other thing is any idea how to apply sorting on the .xls file before create chart? Thanks. Yaohung

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• second time auto login to twitter using oauth php

  - by JAMES

  Any can tell me how to second time auto connect with twitter from my site. I did... the following CODE if(empty($outh_key_db)){ $token=$_SESSION['oauth_token'] ; $outh_secr_db=$_SESSION['oauth_token_secret']; $con = mysql_connect("localhost","rathin","xxxxxxxxx"); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("my_twtbook", $con); mysql_query("UPDATE register SET outh_key = '".$token."', outh_secr='".$outh_secr_db."' WHERE userid='".$loguser_email."'"); mysql_close($con); This code save the outh_token and outh_tk_secret to my DB. But on second time log in to my site I passed the 'outh_token and outh_tk_secret' in session with username. The oauth not authenticate that.... Kindly suggest me.... to make aouth connect to twitter using oauth...if user once(1st time made the) connect twitter

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• Casting a Calculated Column in a MySQL view.

  - by Chris Brent

  I have a view that contains a calculated column. Is there are a way to cast it as a CHAR or VARCHAR rather than a VARBINARY ? Obviously, I have tried using CAST(... as CHAR) but it gives an error. Here is a simple replicable example. CREATE VIEW view_example AS SELECT concat_ws('_', lpad(9, 3,'0'), lpad(1,3,'0'), date_format(now(),'%Y%m%d%H%i%S')) AS calculated_field_id; This is how my view is created: describe view_example; +---------------------+---------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------------------+---------------+------+-----+---------+-------+ | calculated_field_id | varbinary(27) | YES | | NULL | | +---------------------+---------------+------+-----+---------+-------+ select version(); +-----------------------+ | version() | +-----------------------+ | 5.0.51a-community-log | +-----------------------+

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• javan-whenever not writing crontab with Capistrano deploy

  - by Gordon Isnor

  I’ve been trying to get whenever running on an ec2 instance that was created with ec2 on rails. When I deploy with Capistrano it indicates that the crontab was written, but when I log into the server and run crontab -l it does not seem to have been changed. If I go into the release folder and manually run whenever --write-crontab then run crontab -l - it gets updated properly. Any ideas what could be causing this? Capistrano is not indicating any errors so not sure how to debug, have tried a billion permutations and combinations and nothing changes.

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• null pointer exception on list.add

  - by Eric

  I've been working on this one error for a few hours so I thought I'd pick the brains of some pros. I am getting a null pointer exception at the modelData.add(i, es) method. I know from debugging that es isn't null. I'm really confused, thanks. public class EventTableModel extends AbstractTableModel { //private int rowCount = 0; protected List<EventSeat> modelData; private static final int COLUMN_COUNT = 3; private Event e; Event j = GUIpos.m; int i = 1; public EventTableModel(Event e) { this.e = e; try { System.out.println(modelData); for (EventSeat es : e.getEventSeats()) { modelData.add(i, es); i++; } } catch (DataException ex) { Logger.getLogger(EventTableModel.class.getName()).log(Level.SEVERE, null, ex); } }

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• PHP and Javascript: Getting file contents with Javascript variable

  - by celliott1997

  Could someone help me to understand why this isn't working? var uname = "<?php echo strtolower($_GET['un']) ?>"; var source = "<?php echo file_get_contents('accounts/"+uname+"') ?>"; console.log(source); I've been trying for a while to get this working and it just doesn't seem to. Before I added in the source variable, it was working fine and displayed the un variable on the page. Thanks.

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• Phantom activity on MySQL

  - by LoveMeSomeCode

  This is probably just my total lack of MySQL expertise, but is it typical to see lots of phantom activity on a MySQL instance via phpMyAdmin? I have a shared hosting plan through Lithium, and when I log in through the phpMyAdmin console and click on the 'Status' tab, it's showing crazy high numbers for queries. Within an hour of activating my account I had 1 million queries. At first I thought this was them setting things up, but the number is climbing constantly, averaging 170/second. I've got a support ticket in with Lithium, but I thought I'd ask here if this were a MySQL/shared host thing, because I had the same thing happen with a shared hosting plan through Joyent.

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• sqlite error :/* SQL error or missing database */

  - by user262325

  Hello everyone I have a project in which I stored sqlite database file "data.sqlite3" to 'Group'&files'-'resource' Below are my viewcontroller source codes //-myviewcontroller.h #import "sqlite3.h" #define kFilename @"data.sqlite3" //myviewcontroller.m -(NSString *)dataFilePath { NSArray *paths = NSSearchPathForDirectoriesInDomains( NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; return [documentsDirectory stringByAppendingPathComponent:kFilename]; } -(void)f { if (sqlite3_open([[self dataFilePath] UTF8String],&database)!=SQLITE_OK) //dataFilePath returns ///Users/interdev/Library/Application Support/iPhone Simulator/User/Applications/095C6E05-4EAE-4817-883E-A72E39D439E0/Documents/data.sqlite3 { sqlite3_close(database); NSAssert(0,@"Failed to open database");//no problem } NSString *query = @"SELECT * FROM table1 ORDER BY ROW";//table1 is table name sqlite3_stmt *statement; NSInteger v=sqlite3_prepare_v2( database, [query UTF8String], -1, &statement, nil); NSString *zs= [NSString stringWithFormat:@"%d",v]; NSLog(@" The buttontitile is %@ ",zs); if ( v == SQLITE_OK) { // ... } I checked value of v in log, it always is 1 #define SQLITE_ERROR 1 /* SQL error or missing database */ I do not know why this happened.

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• Search server 2008 express working with WSS 3.0 (error when crawl second web application (website) s

  - by tberube

  My search server 2008 express crawls 3 sharepoint servers and 1 windows file server. The file server and 2 other sharepoint server crawl all content and master and sub sites just fine. On the 3rd sharepoint server the default site crawl just fine...The second web application site (content database) crawls the top site and crawls all sub sites BUT The subsites get the below error in the crawl log. Deleted by the gatherer (The start address or content source that contained this item was deleted and hence this item was deleted.) I have checked the security rights (OK) I have checked the setting to crawl a SharePoint site (if wrong the top site would not work)... ???? Last part = I can crawl 3 other sharepoint sites (web applications/other content databases) on the same server...It seems to be just this one site...

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• Override the methods of classes from a .war file.

  - by Sweety

  I have a base application war file say homeApp.war. This contains default operations which user can carry out on the web browser. Now I need to extend the operations available on the same application using that .war file. Like I need to add the extra menus, some shortcuts like icon for log out etc. Please let me know how can I use this .war file to extend the operations and also fix the already existing issues on the application. This web application uses java server faces.

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• How do I get the name of the test method that was run in a testng tear down method?

  - by Zachary Spencer

  Basically I have a tear down method that I want to log to the console which test was just run. How would I go about getting that string? I can get the class name, but I want the actual method that was just executed. Class testSomething() { @AfterMethod public void tearDown() { system.out.println('The test that just ran was....' + getTestThatJustRanMethodName()'); } @Test public void testCase() { assertTrue(1==1); } } should output to the screen: "The test that just ran was.... testCase" However I don't know the magic that getTestThatJustRanMethodName should actually be.

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• how to pass a parameter to method with php's is_callable

  - by fayer

  i have to create a variable that is callable with php's is_callable i have done this: $callable = array(new MyClass, 'methodName'); but i want to pass a parameter to the method. how can i do that? cause using symfony's event dispatcher component will be like: $sfEventDispatcher->connect('log.write', array(new IC_Log('logfile.txt'), 'write')); the first parameter is just a event name, the second is the callable variable. but i can only call the write method, i want to pass a parameter to it. could someone help me out. thanks

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• not able to register sip user on red5server, using red5phone

  - by sunil221

  I start the red5, and then i start red5phone i try to register sip user , details i provide are username = 999999 password = ** ip = asteriskserverip and i got --- Registering contact -- sip:[email protected]:5072 the right contact could be --- sip :99999@asteriskserverip this is the log: + SipUserAgent - listen - Init... Red5SIP register [SIPUser] register RegisterAgent: Registering contact (it expires in 3600 secs) RegisterAgent: Registration failure: No response from server. [SIPUser] SIP Registration failure Timeout RegisterAgent: Failed Registration stop try. Red5SIP Client leaving app 1 Red5SIP Client closing client 35C1B495-E084-1651-0C40-559437CAC7E1 Release ports: sip port 5072 audio port 3002 Release port number:5072 Release port number:3002 [SIPUser] close1 [SIPUser] hangup [SIPUser] closeStreams RTMPUser stopStream [SIPUser] unregister RegisterAgent: Unregistering contact SipUserAgent - hangup - Init... SipUserAgent - closeMediaApplication - Init... [SIPUser] provider.halt RegisterAgent: Registration failure: No response from server. [SIPUser] SIP Registration failure Timeout

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